Welichem is eligible to payments upon achievement of certain clinical development milestones and upon commercialization in certain countries. Additionally, Stiefel has also received a conditional right to acquire further exclusive rights to develop and commercialize WBI-1001 in China, Taiwan, Macao, and Hong Kong, collectively. Upon satisfaction of certain conditions, Welichem will receive an additional payment of C$15 million.

WBI-1001 is currently in Phase II development for the treatment of psoriasis and atopic dermatitis. It is a nonsteroidal, topical anti-inflammatory NCE that has demonstrated efficacy and safety for the treatment of mild-to-moderate psoriasis and moderate-to-severe atopic dermatitis for up to 12 weeks as a single therapy.